What flame colour do copper ions produce when heated?
(A) Brick red
(B) Blue-green
(C) Pale purple
(D) Yellow-orange - HSC - SSCE Chemistry - Question 3 - 2015 - Paper 1
Question 3
What flame colour do copper ions produce when heated?
(A) Brick red
(B) Blue-green
(C) Pale purple
(D) Yellow-orange
Worked Solution & Example Answer:What flame colour do copper ions produce when heated?
(A) Brick red
(B) Blue-green
(C) Pale purple
(D) Yellow-orange - HSC - SSCE Chemistry - Question 3 - 2015 - Paper 1
Step 1
Identify the flame colour
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Answer
When copper ions are heated, they typically produce a blue-green flame. This is a characteristic colour associated with the presence of copper ions, distinguishing them from other metal ions that produce different flame colours.
